Volume 35 Issue 3
Mar.  2009
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Xi Youmin, Yu Jianzu, Xie Yongqi, et al. Single-phase forced convective heat transfer in swirl microchannels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(3): 288-291. (in Chinese)
Citation: Xi Youmin, Yu Jianzu, Xie Yongqi, et al. Single-phase forced convective heat transfer in swirl microchannels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2009, 35(3): 288-291. (in Chinese)

Single-phase forced convective heat transfer in swirl microchannels

  • Received Date: 19 Mar 2008
  • Publish Date: 31 Mar 2009
  • The experiment of heat transfer in four swirl microchannel test pieces was conducted with ethylene glycol solution of 30% (volume concentration). The test pieces- cross section was rectangular with width 0.3mm and different depth. Constant heat flux was adopted as heating manner. Each test piece was made of copper and contained six microchannels. The heat transfer characteristic of swirl microchannel under the different liquid flux and the heating power was investigated. The influence of microchannel structure and liquid velocity was analyzed. Heat transfer experimental formula was obatined. Heat transfer characteristic was compared with straight microchannel. The result shows that heat transfer performance of swirl microchannel is better than straight microchannel.

     

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